纵向移动 meaning in English

longitudinal shift
longitudinal traverse

When face milling is performed, the table can be moved longitudinally to feed the workpiece under or below the cutter .
铣削端面时，为了将工件送到刀具底下或下方，工作台可以纵向移动。
Vertical mobile motor of calibrating box
定径箱纵向移动电机kw
Paddle feeder is used in bottom - gapped coalbunker in coal - fired power plant to feed coal onto the belt conveyor in fixed quantity continuously and evenly with the rotation of the paddle and traveling of the machine
叶轮给煤机用于火力电站缝式煤沟，通过叶轮的旋转和车体的纵向移动，把原煤定量、均匀、连续地拨到输煤带上。